Swim Trunks KAVU Mens XXLarge Hybrid River Shorts Mesh Lined Hiking Vintage Blue The more streamlined and "thigh-forward" cousin to the Big Eddy. This water short is a more traditional swim short complete with internal stretch mesh liner and security zip pocket. The River Short has been a KAVU staple for over a decade. Comes in KAVU Cares recycled nylon. Regular fit, elastic waist short with internal drawcord, stretch mesh brief, front pockets and one hidden security zip pocket, mesh pocket bags, curved back yoke, double needle reinforced seams. Fabric: 4oz 54% certified recycled nylon, 46% nylon, QUICK DRY. Inseam 8".